Grammar Workshop-Commas in Nonessential Elements

Question 1

note

Answer 1

• commas are needed in order to distinguish non-essential elements, a phrase/clause that, if removed, does not impact the meaning of the overall sentence

Question 2

which sentence below has an essential or nonessential subordinate clause that is punctuated incorrectly?

Answer 2

• every time the clock which is a family heirloom chimes the windows rattle
• the special discount is available for anyone, who is an authorized member
• every student, that has finished the test, is excused for the day
• that cute little puppy that was in the store window was the one I bought
• every student whether you are performing or not should report to the auditorium